package com.qk.interceptor;

import com.qk.common.utils.JwtUtils;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
@Slf4j
@Component
public class DemoInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String uri = request.getRequestURI();
        //2.判断是否是登录请求
        if(uri.contains("/login")){
            log.info("登录请求");
            return true;
        }
        //3.获取请求头中的token
        String jwt = request.getHeader("token");

        //4.判断token是否为空
        if(jwt == null ||jwt.isEmpty()){
            log.info("token为空");
            response.setStatus(401);
            return false;
        }
        //5.解析token
        try {
            JwtUtils.parseToken(jwt);
        } catch (Exception e) {
            log.error("令牌解析失败");
            response.setStatus(401);
            return false;
        }
        return true;

    }


}
